Finding the Third Proportional to 28,696.50 and 60,813

Step by Step Solution

1. Step 1: Write the proportion equation
   28,696.50 : 60,813 = 60,813 : x
2. Step 2: Convert to fraction form
   28,696.50/60,813 = 60,813/x
3. Step 3: Cross multiply
   28,696.50x = 60,813 × 60,813
4. Step 4: Simplify right side
   28,696.50x = 3,698,220,969
5. Step 5: Solve for x
   x = 3,698,220,969/28,696.50
6. Step 6: Final answer
   x = 128,873.59